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* [AArch64] Fix parameters to vcvtx_high
@ 2013-09-06 15:06 James Greenhalgh
  2013-09-16  8:57 ` James Greenhalgh
  2013-09-16  9:06 ` Marcus Shawcroft
  0 siblings, 2 replies; 3+ messages in thread
From: James Greenhalgh @ 2013-09-06 15:06 UTC (permalink / raw)
  To: gcc-patches; +Cc: marcus.shawcroft, richard.earnshaw

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Hi,

vcvtx_high_f32_f64 should have two parameters, a float32x2 which
provides the lower half of the target vector, and a float64x2
which will be converted to the higher half of the target vector.

Fix thusly.

Tested with aarch64.exp on aarch64-none-elf.

OK?

Thanks,
James

---
gcc/

2013-09-06  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/arm_neon.h
	(vcvtx_high_f32_f64): Fix parameters.

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[-- Type: text/x-patch;  name=0001-AArch64-Fix-parameters-to-vcvtx_high.patch, Size: 612 bytes --]

diff --git a/gcc/config/aarch64/arm_neon.h b/gcc/config/aarch64/arm_neon.h
index 5864f2c..47b45f4 100644
--- a/gcc/config/aarch64/arm_neon.h
+++ b/gcc/config/aarch64/arm_neon.h
@@ -5756,12 +5756,12 @@ vcvtx_f32_f64 (float64x2_t a)
 }
 
 __extension__ static __inline float32x4_t __attribute__ ((__always_inline__))
-vcvtx_high_f32_f64 (float64x2_t a)
+vcvtx_high_f32_f64 (float32x2_t a, float64x2_t b)
 {
   float32x4_t result;
   __asm__ ("fcvtxn2 %0.4s,%1.2d"
            : "=w"(result)
-           : "w"(a)
+           : "w" (b), "0"(a)
            : /* No clobbers */);
   return result;
 }

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [AArch64] Fix parameters to vcvtx_high
  2013-09-06 15:06 [AArch64] Fix parameters to vcvtx_high James Greenhalgh
@ 2013-09-16  8:57 ` James Greenhalgh
  2013-09-16  9:06 ` Marcus Shawcroft
  1 sibling, 0 replies; 3+ messages in thread
From: James Greenhalgh @ 2013-09-16  8:57 UTC (permalink / raw)
  To: gcc-patches; +Cc: Marcus Shawcroft, Richard Earnshaw

*ping*

Cheers,
James

On Fri, Sep 06, 2013 at 04:06:08PM +0100, James Greenhalgh wrote:
> 
> Hi,
> 
> vcvtx_high_f32_f64 should have two parameters, a float32x2 which
> provides the lower half of the target vector, and a float64x2
> which will be converted to the higher half of the target vector.
> 
> Fix thusly.
> 
> Tested with aarch64.exp on aarch64-none-elf.
> 
> OK?
> 
> Thanks,
> James
> 
> ---
> gcc/
> 
> 2013-09-06  James Greenhalgh  <james.greenhalgh@arm.com>
> 
> 	* config/aarch64/arm_neon.h
> 	(vcvtx_high_f32_f64): Fix parameters.
> 

> diff --git a/gcc/config/aarch64/arm_neon.h b/gcc/config/aarch64/arm_neon.h
> index 5864f2c..47b45f4 100644
> --- a/gcc/config/aarch64/arm_neon.h
> +++ b/gcc/config/aarch64/arm_neon.h
> @@ -5756,12 +5756,12 @@ vcvtx_f32_f64 (float64x2_t a)
>  }
>  
>  __extension__ static __inline float32x4_t __attribute__ ((__always_inline__))
> -vcvtx_high_f32_f64 (float64x2_t a)
> +vcvtx_high_f32_f64 (float32x2_t a, float64x2_t b)
>  {
>    float32x4_t result;
>    __asm__ ("fcvtxn2 %0.4s,%1.2d"
>             : "=w"(result)
> -           : "w"(a)
> +           : "w" (b), "0"(a)
>             : /* No clobbers */);
>    return result;
>  }

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [AArch64] Fix parameters to vcvtx_high
  2013-09-06 15:06 [AArch64] Fix parameters to vcvtx_high James Greenhalgh
  2013-09-16  8:57 ` James Greenhalgh
@ 2013-09-16  9:06 ` Marcus Shawcroft
  1 sibling, 0 replies; 3+ messages in thread
From: Marcus Shawcroft @ 2013-09-16  9:06 UTC (permalink / raw)
  To: James Greenhalgh; +Cc: gcc-patches

On 06/09/13 16:06, James Greenhalgh wrote:

> gcc/
>
> 2013-09-06  James Greenhalgh  <james.greenhalgh@arm.com>
>
> 	* config/aarch64/arm_neon.h
> 	(vcvtx_high_f32_f64): Fix parameters.
>

OK
/Marcus

^ permalink raw reply	[flat|nested] 3+ messages in thread

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2013-09-16  8:57 ` James Greenhalgh
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